Bending mechanism of metal storage rack

Abstract

The utility model belongs to the technical field of metal storage rack processing, and particularly relates to a bending mechanism of a metal storage rack, which comprises a workbench with an L-shaped surface, a bending distance adjusting mechanism is arranged on the upper surface of the workbench, the distance adjusting mechanism comprises a support table, the support table is arranged on the upper surface of the workbench, a bending mechanism is arranged above the bending distance adjusting mechanism, and the bending distance adjusting mechanism is arranged on the support table. The bending mechanism comprises a limiting frame, the lower surface of the limiting frame is in sliding connection with the upper surface of the supporting table, a clamping mechanism is arranged on one side of the bending mechanism and comprises a clamping block, and the clamping block is arranged above the workbench. According to the bending mechanism of the metal storage rack, the surfaces of the forming wheel and the bending wheels are each provided with a plurality of forming step grooves used for forming and bending the metal storage rack, the two bending wheels conduct bending action towards the outer side at the same time, bending of the metal storage rack can be completed at a time, and the problems that the metal storage rack needs to be repeatedly clamped and bent, and the machining efficiency is low are solved; and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal rack processing, in particular to a bending mechanism of a metal rack. Background Art

[0002] A metal bending device (publication number: CN219924208U) disclosed on the Chinese patent website, although the setting of the limit mechanism and the bending mechanism enables the replacement of the clamping block on the fixed seat, the movable seat, and the adjustment seat, which is convenient for adapting to the bending needs of metal pipes of different specifications, solves the technical problems of the need to adjust the overall device and the time-consuming and labor-intensive feeding method when bending different pipe fittings, but still has the following problems:

[0003] In actual use, the device can only bend a single metal tube once, while the rack body needs to be symmetrically bent twice, and repeated clamping and bending are required, which is inconvenient to use, resulting in poor applicability and practicality of the device. Utility Model Content

[0004] Based on the technical problem that the bending of the existing storage rack cannot be completed in one time, the utility model proposes a bending mechanism of a metal storage rack.

[0005] The utility model proposes a bending mechanism of a metal storage rack, comprising a workbench with an L-shaped surface, a bending and distance-adjusting mechanism being arranged on the upper surface of the workbench, the distance-adjusting mechanism comprising a supporting platform, the supporting platform being arranged on the upper surface of the workbench, a bending mechanism being arranged above the bending and distance-adjusting mechanism, the bending mechanism comprising a limiting frame, the lower surface of the limiting frame being slidably connected to the upper surface of the supporting platform, a clamping mechanism being arranged on one side of the bending mechanism, the clamping mechanism comprising a clamping block, the clamping block being arranged above the workbench.

[0006] Preferably, a fixing frame is fixedly connected to the upper surface of the workbench, and the surface of the fixing frame is rotatably connected to a first screw rod and a second screw rod through bearings, respectively, and the two fixing frames are symmetrically distributed with the axes of the first screw rod and the second screw rod as the center;

[0007] A left spiral groove is provided on the surface of the first screw rod, and a right spiral groove is provided on the surface of the second screw rod. The two support platforms are symmetrically distributed with the axes of the first screw rod and the second screw rod as the center. The first screw rod and the second screw rod are respectively threadedly connected to the surfaces of the two support platforms through the left spiral groove and the right spiral groove.

[0008] Preferably, one end of the first screw rod and the second screw rod are respectively fixedly connected to a driving pulley and a driven pulley whose surfaces are slidably connected to the surface of the fixed frame, the driving pulley is transmission-connected to the driven pulley through a belt, a screw drive motor is fixedly installed on the upper surface of the workbench through a motor bracket, and an output shaft of the screw drive motor is fixedly connected to the surface of the driving pulley;

[0009] A supporting wheel is fixedly mounted on the lower surface of the supporting platform, and a guiding groove adapted to be slidably connected with the surface of the supporting wheel is provided on the upper surface of the working platform.

[0010] Preferably, the lower surface of the limit frame is rotatably connected to the surface of the support platform through a rotating shaft and a bearing, one end of the rotating shaft penetrates and extends to the lower surface of the support platform, a molding drive motor is fixedly installed on the lower surface of the support platform, and the output shaft of the molding drive motor is fixedly connected to one end of the rotating shaft through a coupling;

[0011] The inner wall of the limit frame is rotatably connected to a forming wheel through a bearing, the surface of the forming wheel is in a conical shape, the inner bottom wall and the inner top wall of the limit frame are both provided with a travel groove with a T-shaped inner wall, the inner wall of the travel groove is slidably connected to a bending wheel, and both ends of the bending wheel are adapted to the inner wall of the travel groove;

[0012] A distance-adjusting hydraulic cylinder is fixedly installed on the inner side wall of the limiting frame, one end of which is fixedly connected to the surface of the bending wheel, and a plurality of forming step grooves for forming and bending the metal storage rack are provided on the surface of the forming wheel and the surface of the bending wheel.

[0013] Preferably, the clamping block is located in the middle of the two support platforms, a guide wheel is fixedly mounted on the lower surface of the clamping block, and a guide limiting groove slidably connected to the surface of the guide wheel is provided on the upper surface of the workbench.

[0014] Preferably, a clamping drive motor is fixedly mounted on the side surface of the workbench, an output shaft of the clamping drive motor is fixedly connected to a drive screw via a coupling, and a surface of the drive screw is threadedly connected to a surface of the clamping block.

[0015] Preferably, both sides of the outer surface of the clamping block are fixedly connected with sliding guide rods, and one end of the two sliding guide rods passes through the side surface of the workbench.

[0016] The beneficial effects of the present invention are:

[0017] 1. By setting up a bending mechanism, the surfaces of the forming wheel and the bending wheel are provided with a plurality of forming step grooves for forming and bending the metal rack. The two bending wheels simultaneously bend outward, and the bending of the metal rack can be completed at one time, which solves the problem that the metal rack needs to be repeatedly clamped and bent, and the processing efficiency is low, and improves the applicability of the device.

[0018] 2. By setting up a bending distance adjustment mechanism, the screw drive motor drives two screws with opposite rotation directions to rotate in the same direction at the same time, thereby adjusting the distance between the two bending mechanisms and controlling the distance between the two bends of the metal storage rack.

[0019] 3. By setting a clamping mechanism, a clamping block is set in the middle position of the two bending mechanisms. The clamping block limits the bending deformation of the middle straight rod part when the two ends of the metal storage rack are bent at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of a bending mechanism of a metal storage rack proposed by the utility model;

[0021] Figure 2 A three-dimensional diagram of a forming wheel of a bending mechanism of a metal storage rack proposed in the utility model;

[0022] Figure 3 This is a three-dimensional diagram of a clamping block of a bending mechanism of a metal storage rack proposed by the utility model.

[0023] In the figure: 1. workbench; 2. support table; 3. limit frame; 4. clamping block; 201. fixed frame; 202. first screw; 203. second screw; 204. driving pulley; 205. driven pulley; 206. screw drive motor; 207. support wheel; 301. forming drive motor; 302. forming wheel; 303. bending wheel; 304. distance adjustment hydraulic cylinder; 401. guide wheel; 402. clamping drive motor; 403. drive screw; 404. sliding guide rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-Figure 3A bending mechanism for a metal storage rack comprises a workbench 1 with an L-shaped surface, a bending and distance adjusting mechanism is arranged on the upper surface of the workbench 1, the distance adjusting mechanism comprises a supporting platform 2, the supporting platform 2 is arranged on the upper surface of the workbench 1, a bending mechanism is arranged above the bending and distance adjusting mechanism, the bending mechanism comprises a limiting frame 3, the lower surface of the limiting frame 3 is slidably connected to the upper surface of the supporting platform 2, a clamping mechanism is arranged on one side of the bending mechanism, the clamping mechanism comprises a clamping block 4, and the clamping block 4 is arranged above the workbench 1.

[0026] The upper surface of the workbench 1 is fixedly connected with a fixing frame 201, and the surface of the fixing frame 201 is rotatably connected with a first screw rod 202 and a second screw rod 203 through bearings, and the two fixing frames 201 are symmetrically distributed with the axes of the first screw rod 202 and the second screw rod 203 as the center;

[0027] A left spiral groove is provided on the surface of the first screw rod 202, and a right spiral groove is provided on the surface of the second screw rod 203. The two support platforms 2 are symmetrically distributed with the axes of the first screw rod 202 and the second screw rod 203 as the center. The first screw rod 202 and the second screw rod 203 are threadedly connected to the surfaces of the two support platforms 2 through the left spiral groove and the right spiral groove respectively.

[0028] Furthermore, two screw rods with opposite rotation directions control the two support platforms 2 to move in opposite directions, so as to facilitate the adjustment of the distance between the two support platforms 2 .

[0029] One end of the first screw rod 202 and the second screw rod 203 are respectively fixedly connected to a driving pulley 204 and a driven pulley 205 whose surfaces are slidably connected to the surface of the fixed frame 201, the driving pulley 204 is connected to the driven pulley 205 through a belt, and a screw drive motor 206 is fixedly installed on the upper surface of the workbench 1 through a motor bracket, and the output shaft of the screw drive motor 206 is fixedly connected to the surface of the driving pulley 204;

[0030] A support wheel 207 is fixedly mounted on the lower surface of the support platform 2 , and a guide groove adapted to be slidably connected to the surface of the support wheel 207 is provided on the upper surface of the workbench 1 .

[0031] Furthermore, the screw drive motor 206 drives the two screws to rotate in the same direction through the pulley, thereby controlling the movement of the two support platforms 2 at the same time.

[0032] By setting up a bending distance adjustment mechanism, the screw drive motor 206 simultaneously drives two screws with opposite rotation directions to rotate in the same direction, thereby adjusting the distance between the two bending mechanisms and controlling the distance between the two bends of the metal storage rack.

[0033] The lower surface of the limit frame 3 is rotatably connected to the surface of the support platform 2 through a rotating shaft and a bearing, one end of the rotating shaft penetrates and extends to the lower surface of the support platform 2, a forming drive motor 301 is fixedly installed on the lower surface of the support platform 2, and the output shaft of the forming drive motor 301 is fixedly connected to one end of the rotating shaft through a coupling;

[0034] The inner wall of the limit frame 3 is rotatably connected to a forming wheel 302 through a bearing, the surface of the forming wheel 302 is in a conical shape, the inner bottom wall and the inner top wall of the limit frame 3 are both provided with a travel groove with a T-shaped inner wall, the inner wall of the travel groove is slidably connected to a bending wheel 303, and both ends of the bending wheel 303 are adapted to the inner wall of the travel groove;

[0035] A distance-adjusting hydraulic cylinder 304 is fixedly installed on the inner wall of the limiting frame 3, and one end of the distance-adjusting hydraulic cylinder 304 is fixedly connected to the surface of the bending wheel 303. The surface of the forming wheel 302 and the surface of the bending wheel 303 are both provided with a plurality of forming step grooves for forming and bending the metal storage rack.

[0036] Furthermore, the forming drive motor 301 drives the limit frame 3 and the bending wheel 303 to rotate as a whole around the axis of the forming wheel 302, and the distance adjustment hydraulic cylinder 304 controls the bending wheel 303 and the forming wheel 302 to clamp the metal storage rack for bending. The multiple forming step grooves opened on the surface of the forming wheel 302 and the bending wheel 303 are suitable for the needs of different specifications and bending radii.

[0037] By setting up a bending mechanism, the surfaces of the forming wheel 302 and the bending wheel 303 are provided with a plurality of forming step grooves for forming and bending the metal rack. The two bending wheels 303 perform bending action outward at the same time, and the bending of the metal rack can be completed at one time, which solves the problem that the metal rack needs to be repeatedly clamped and bent and the processing efficiency is low, and improves the applicability of the device.

[0038] The clamping block 4 is located in the middle of the two support platforms 2 . A guide wheel 401 is fixedly mounted on the lower surface of the clamping block 4 . A guide limiting groove slidably connected to the surface of the guide wheel 401 is provided on the upper surface of the workbench 1 .

[0039] Furthermore, the clamping block 4 can be moved and adjusted to be close to the middle part of the metal rack.

[0040] A clamping drive motor 402 is fixedly mounted on the side surface of the workbench 1 , and an output shaft of the clamping drive motor 402 is fixedly connected to a drive screw 403 via a coupling, and a surface of the drive screw 403 is threadedly connected to a surface of the clamping block 4 .

[0041] Furthermore, the clamping drive motor 402 adjusts the position of the clamping block 4, which plays a limiting role when the metal rack is bent.

[0042] Both sides of the outer surface of the clamping block 4 are fixedly connected with sliding guide rods 404 , and one end of the two sliding guide rods 404 passes through the side surface of the workbench 1 .

[0043] Furthermore, the sliding guide rod 404 can better control the movement of the clamping block 4 .

[0044] By setting a clamping mechanism, a clamping block 4 is provided in the middle of the two bending mechanisms. The clamping block 4 limits the bending deformation of the middle straight rod part when the two ends of the metal storage rack are bent at the same time.

[0045] Working principle:

[0046] Before use, the bending and adjusting mechanism opens the screw drive motor 206, the output shaft of the screw drive motor 206 is connected to the active pulley 204, the active pulley 204 is connected to the driven pulley 205 through a belt, one end of the first screw 202 and the second screw 203 are respectively fixedly connected to the surface of the active pulley 204 and the driven pulley 205, the driving motor drives the first screw 202 and the second screw 203 to rotate in the same direction at the same time, and the first screw 202 and the second screw 203 have opposite spiral directions, driving the two support platforms 2 to move relative to or towards each other, and the distance between the two support platforms 2 is adjusted according to the length of the straight rod part required by the metal storage rack, and the surface of the forming wheel 302 and The surface of the bending wheel 303 is provided with a plurality of forming step grooves for forming and bending the metal racks. For the needs of different bending radius, the metal racks are symmetrically placed on the corresponding steps of the forming wheel 302 according to the required bending radius, and the distance adjustment hydraulic cylinder 304 connected to the bending wheel 303 is opened to push the bending wheel 303 and the forming wheel 302 to clamp the metal rack. It can be used for metal racks of different specifications. The clamping mechanism controls the clamping block 4 to press against the middle part of the metal rack. The output shaft of the clamping drive motor 402 is fixedly connected to the driving screw 403 through a coupling. The surface of the driving screw 403 is threadedly connected to the surface of the clamping block 4, and the lower surface of the clamping block 4 A guide wheel 401 is fixedly installed, and a guide limit groove which is slidably connected to the surface of the guide wheel 401 is opened on the upper surface of the workbench 1. Sliding guide rods 404 are fixedly connected to both sides of the outer surface of the clamping block 4. One end of the two sliding guide rods 404 passes through the side of the workbench 1. The clamping drive motor 402 drives the driving screw 403 to rotate and control the clamping block 4 to move back and forth along the direction of the guide limit groove. The sliding guide rod 404 limits the movement of the clamping block 4 in a straight line direction. The output shaft of the forming drive motor 301 is fixedly connected to one end of the rotating shaft through a coupling. The lower surface of the limit frame 3 is rotatably connected to the surface of the support table 2 through a rotating shaft and a bearing. The inner bottom wall and the inner top of the limit frame 3 The walls are provided with a travel groove with a T-shaped inner wall, and the inner wall of the travel groove is slidably connected with a bending wheel 303, both ends of the bending wheel 303 are adapted to the inner wall of the travel groove, and the two forming drive motors 301 rotate toward both sides at the same time, driving the two limit frames 3 and the bending wheel 303 to bend 90° toward the outside as a whole at the same time. After the bending is completed, the distance adjusting hydraulic cylinder 304 is released, and the bending wheel 303 moves away from the forming wheel 302 to release the metal storage rack, and the clamping drive motor 402 drives the clamping block 4 to retract, and the metal storage rack after the bending is completed is taken out from one side of the clamping mechanism, and the disassembly drive motor rotates to drive the two limit frames 3 and the bending wheel 303 to return to the initial position as a whole to prepare for the next bending.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bending mechanism for a metal shelf, comprising a workbench (1) having an L-shaped surface, characterized in that: The upper surface of the workbench (1) is provided with a bending distance adjustment mechanism, the distance adjustment mechanism comprises a support platform (2), the support platform (2) is arranged on the upper surface of the workbench (1), a bending mechanism is arranged above the bending distance adjustment mechanism, the bending mechanism comprises a limit frame (3), the lower surface of the limit frame (3) is slidably connected to the upper surface of the support platform (2), a clamping mechanism is arranged on one side of the bending mechanism, the clamping mechanism comprises a clamping block (4), and the clamping block (4) is arranged above the workbench (1).

2. The bending mechanism of a metal rack according to claim 1, characterized in that: The upper surface of the workbench (1) is fixedly connected to a fixing frame (201), and the surface of the fixing frame (201) is rotatably connected to a first screw rod (202) and a second screw rod (203) via bearings, respectively, and the two fixing frames (201) are symmetrically distributed with the axes of the first screw rod (202) and the second screw rod (203) as the center; A left spiral groove is formed on the surface of the first screw rod (202), and a right spiral groove is formed on the surface of the second screw rod (203). The two support platforms (2) are symmetrically distributed with the axes of the first screw rod (202) and the second screw rod (203) as the center. The first screw rod (202) and the second screw rod (203) are respectively threadedly connected to the surfaces of the two support platforms (2) through the left spiral groove and the right spiral groove.

3. The bending mechanism of a metal rack according to claim 2, characterized in that: One end of the first screw rod (202) and the second screw rod (203) are respectively fixedly connected to a driving pulley (204) and a driven pulley (205) whose surfaces are slidably connected to the surface of the fixed frame (201); the driving pulley (204) is transmission-connected to the driven pulley (205) via a belt; a screw drive motor (206) is fixedly mounted on the upper surface of the workbench (1) via a motor bracket; and an output shaft of the screw drive motor (206) is fixedly connected to the surface of the driving pulley (204); A support wheel (207) is fixedly mounted on the lower surface of the support platform (2), and a guide groove adapted to be slidably connected to the surface of the support wheel (207) is provided on the upper surface of the workbench (1).

4. The bending mechanism of a metal rack according to claim 1, characterized in that: The lower surface of the limiting frame (3) is rotatably connected to the surface of the support platform (2) via a rotating shaft and a bearing, one end of the rotating shaft penetrates and extends to the lower surface of the support platform (2), a molding drive motor (301) is fixedly mounted on the lower surface of the support platform (2), and the output shaft of the molding drive motor (301) is fixedly connected to one end of the rotating shaft via a coupling; The inner wall of the limit frame (3) is rotatably connected to a forming wheel (302) via a bearing, the surface of the forming wheel (302) is in a conical shape, the inner bottom wall and the inner top wall of the limit frame (3) are both provided with a travel groove with a T-shaped inner wall, the inner wall of the travel groove is slidably connected to a bending wheel (303), and both ends of the bending wheel (303) are adapted to the inner wall of the travel groove; A distance-adjusting hydraulic cylinder (304) is fixedly mounted on the inner side wall of the limiting frame (3), one end of the distance-adjusting hydraulic cylinder (304) is fixedly connected to the surface of the bending wheel (303), and a plurality of forming step grooves for forming and bending the metal storage rack are provided on the surface of the forming wheel (302) and the surface of the bending wheel (303).

5. The bending mechanism of a metal rack according to claim 1, characterized in that: The clamping block (4) is located in the middle of the two support platforms (2); a guide wheel (401) is fixedly mounted on the lower surface of the clamping block (4); and a guide limit groove is provided on the upper surface of the workbench (1) and is slidably connected to the surface of the guide wheel (401).

6. The bending mechanism of a metal rack according to claim 1, characterized in that: A clamping drive motor (402) is fixedly mounted on the side surface of the workbench (1); an output shaft of the clamping drive motor (402) is fixedly connected to a drive screw (403) via a coupling; a surface of the drive screw (403) is threadedly connected to a surface of the clamping block (4).

7. The bending mechanism of a metal rack according to claim 1, characterized in that: Sliding guide rods (404) are fixedly connected to both sides of the outer surface of the clamping block (4), and one end of the two sliding guide rods (404) passes through the side surface of the workbench (1).

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